I ran into a new problem recently. I added hotplug to the Skolelinux
CD, and because of the apt-install call in hw-detect, it was installed
by base-installer. But this package seem to mount
/target/proc/bus/usb/ at install time, and this make apt-install fail
when it tries to unmount /target/proc/.
I propose this patch to fix it, making sure all added mount points are
unmounted after the package is installed. Do you think this could
work?
--- apt-install.~1.15.~ Tue Jan 6 11:20:08 2004
+++ apt-install Sat Feb 14 00:56:49 2004
@@ -63,6 +63,9 @@
-o Dpkg::Options::=--root=/target \
-y --download-only install $@ >> $log 2>&1
+# Record the current mounts
+cat /proc/mounts |cut -d" " -f 2 | /target/usr/bin/sort -ru > /tmp/mount.pre
+
# Some packages (eg. the kernel-image package) require a mounted /proc/
# Only mount it if it isn't mounted already
if [ ! -f /target/proc/cmdline ] ; then
@@ -72,6 +75,11 @@
DEBIAN_FRONTEND=noninteractive \
chroot /target apt-get --no-download -y install $@ < /dev/null >> $log 2>&1
-umount /target/proc
+# Undo the mounts done during installation.
+cat /proc/mounts |cut -d" " -f 2 | /target/usr/bin/sort -ru > /tmp/mount.post
+for dir in `/target/usr/bin/comm -13 /tmp/mount.pre /tmp/mount.post`; do
+ umount $dir
+done
+rm -f /tmp/mount.pre /tmp/mount.post
exit 0
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